6529940519849 has 8 divisors (see below), whose sum is σ = 6605823421440. Its totient is φ = 6454439900496.

The previous prime is 6529940519737. The next prime is 6529940519863. The reversal of 6529940519849 is 9489150499256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6529940519849 - 2²⁰ = 6529939471273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6529940519899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95536199 + ... + 95604524.

It is an arithmetic number, because the mean of its divisors is an integer number (825727927680).

Almost surely, 2^{6529940519849} is an apocalyptic number.

It is an amenable number.

6529940519849 is a deficient number, since it is larger than the sum of its proper divisors (75882901591).

6529940519849 is a wasteful number, since it uses less digits than its factorization.

6529940519849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191141119.

The product of its (nonzero) digits is 251942400, while the sum is 71.

The spelling of 6529940519849 in words is "six trillion, five hundred twenty-nine billion, nine hundred forty million, five hundred nineteen thousand, eight hundred forty-nine".